Family name Liku (Liku 
, Лику 
) , worldwide, is quite a rare cognomen. The family name Liku is characteristic of Fiji, where it is quite a common surname, Albania, where it is quite a rare surname, and Ethiopia. Not in comparison with a country's population, the name is most common in Indonesia, Ethiopia, and Tanzania. Also, Liku is the forename as well as the last name.
| siulolo liku Tongan athletics competitor, TO (b. 1974) |
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| ʻaloʻalo liku Tongan Paralympic athlete, TO (b. 1978) |
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| maria liku Fijian weightlifter, FJ (b. 1990) |
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